A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1003-60-7, Name is 2-Methylthiazole-5-carbaldehyde, molecular formula is C5H5NOS. In a Article，once mentioned of 1003-60-7, Quality Control of: 2-Methylthiazole-5-carbaldehyde
Imines of diethyl aminomalonates slowly dimerise to imidazolidines in ethanol or methylene chloride at 40 deg C, but cycloaddition to other imines does not occur.Imines of glycine, alanine and phenylglycine methyl esters undergo rapid regio- and stereo-specific cycloaddition to methyl acrylate (MeCN,25 deg C) in the presence of Ag(I) or Mn(II) salts, and triethylamine, whilst Zn(II) or Co(II) salts dimerise the imines to imidazolidines.In the latter case cycloaddition to other imines also occurs.Use of Mg(II) salts can lead to either pyrrolidines or imidazolidines depending on the salt used.A correlation with metal cation hydration enthalpies is noted.Heating imidazolidines in the presence of dipolarophiles effects a tandem cycloreversion-cycloaddition process leading to new cycloadducts.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Quality Control of: 2-Methylthiazole-5-carbaldehyde. In my other articles, you can also check out more blogs about 1003-60-7
Reference：
Thiazole | C3H3882NS – PubChem,
Thiazole | chemical compound | Britannica